./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:29:40,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:29:40,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:29:40,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:29:40,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:29:40,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:29:40,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:29:40,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:29:40,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:29:40,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:29:40,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:29:40,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:29:40,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:29:40,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:29:40,638 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:29:40,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:29:40,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:29:40,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:29:40,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:29:40,640 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-07 23:29:40,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:29:40,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:29:40,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:29:40,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:29:40,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:29:40,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-07 23:29:41,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:29:42,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:29:42,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-07 23:29:42,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7890c360/5863bda24952493a884fc51fc430fe4d/FLAG28872b8a9 [2024-11-07 23:29:42,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a7890c360/5863bda24952493a884fc51fc430fe4d [2024-11-07 23:29:42,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:29:42,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:29:42,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:29:42,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:29:42,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:29:42,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:29:42" (1/1) ... [2024-11-07 23:29:42,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574e1919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:42, skipping insertion in model container [2024-11-07 23:29:42,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:29:42" (1/1) ... [2024-11-07 23:29:42,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:29:45,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:29:45,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:29:45,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-07 23:29:45,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-07 23:29:45,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-07 23:29:45,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-07 23:29:45,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-07 23:29:45,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:29:45,892 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:29:45,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45 WrapperNode [2024-11-07 23:29:45,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:29:45,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:29:45,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:29:45,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:29:45,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:45,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:45,991 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 406 [2024-11-07 23:29:45,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:29:45,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:29:45,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:29:45,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:29:45,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:45,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,021 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 1, 4, 2, 31, 3, 9]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 4, 2, 31, 3, 0]. The 3 writes are split as follows [0, 0, 0, 0, 0, 0, 3]. [2024-11-07 23:29:46,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:29:46,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:29:46,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:29:46,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:29:46,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (1/1) ... [2024-11-07 23:29:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:29:46,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:29:46,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 23:29:46,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 23:29:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:29:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:29:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:29:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 23:29:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 23:29:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:29:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:29:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 23:29:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 23:29:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 23:29:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 23:29:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-07 23:29:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-07 23:29:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:29:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-07 23:29:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 23:29:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 23:29:46,132 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 23:29:46,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:29:46,422 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:29:46,801 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:29:46,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:29:47,287 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:29:47,288 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 23:29:47,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:29:47 BoogieIcfgContainer [2024-11-07 23:29:47,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:29:47,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:29:47,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:29:47,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:29:47,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:29:42" (1/3) ... [2024-11-07 23:29:47,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e17769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:29:47, skipping insertion in model container [2024-11-07 23:29:47,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:29:45" (2/3) ... [2024-11-07 23:29:47,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e17769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:29:47, skipping insertion in model container [2024-11-07 23:29:47,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:29:47" (3/3) ... [2024-11-07 23:29:47,295 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-07 23:29:47,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:29:47,307 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-07 23:29:47,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e17769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:29:47, skipping insertion in model container [2024-11-07 23:29:47,308 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 23:29:47,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:29:47,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:29:47,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:29:47,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:29:47" (3/3) ... [2024-11-07 23:29:47,311 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 23:29:47,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-07 23:29:47,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-07 23:29:47,319 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 166 nodes and edges [2024-11-07 23:29:47,320 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-07 23:29:47,320 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-07 23:29:47,320 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-07 23:29:47,321 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 23:29:47,321 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 23:29:47,388 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 23:29:47,388 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 23:29:47,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:29:47,389 INFO L158 Benchmark]: Toolchain (without parser) took 4873.14ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 106.5MB in the beginning and 144.2MB in the end (delta: -37.7MB). Peak memory consumption was 226.4MB. Max. memory is 16.1GB. [2024-11-07 23:29:47,389 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:29:47,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3376.19ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 49.4MB in the end (delta: 57.1MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2024-11-07 23:29:47,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.80ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 40.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:29:47,390 INFO L158 Benchmark]: Boogie Preprocessor took 61.92ms. Allocated memory is still 142.6MB. Free memory was 40.1MB in the beginning and 33.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:29:47,390 INFO L158 Benchmark]: RCFGBuilder took 1234.48ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 33.4MB in the beginning and 152.6MB in the end (delta: -119.2MB). Peak memory consumption was 145.2MB. Max. memory is 16.1GB. [2024-11-07 23:29:47,390 INFO L158 Benchmark]: TraceAbstraction took 18.14ms. Allocated memory is still 402.7MB. Free memory was 151.6MB in the beginning and 149.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:29:47,391 INFO L158 Benchmark]: Witness Printer took 79.42ms. Allocated memory is still 402.7MB. Free memory was 149.7MB in the beginning and 144.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:29:47,392 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3376.19ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 49.4MB in the end (delta: 57.1MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.80ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 40.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.92ms. Allocated memory is still 142.6MB. Free memory was 40.1MB in the beginning and 33.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1234.48ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 33.4MB in the beginning and 152.6MB in the end (delta: -119.2MB). Peak memory consumption was 145.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18.14ms. Allocated memory is still 402.7MB. Free memory was 151.6MB in the beginning and 149.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.42ms. Allocated memory is still 402.7MB. Free memory was 149.7MB in the beginning and 144.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-07 23:29:47,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE